Michael Jonathan Older, MD - Medicare Internal Medicine in Ayer, MA

Michael Jonathan Older, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Ayer, Massachusetts. He went to Tufts University School Of Medicine and graduated in 1988 and has 31 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 190 Groton Rd, Suite 190, Ayer, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (978) 772-3547.

Michael Jonathan Older is licensed to practice in Massachusetts (license number 71640) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1194757625.

Contact Information

Michael Jonathan Older, MD
190 Groton Rd, Suite 190,
Ayer, MA 01432-1124
(978) 772-3547
Not Available

Map and Direction




Physician's Profile

Full NameMichael Jonathan Older
GenderMale
SpecialityInternal Medicine
Experience31 Years
Location190 Groton Rd, Ayer, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Michael Jonathan Older attended and graduated from Tufts University School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1194757625
  • Provider Enumeration Date: 07/07/2006
  • Last Update Date: 01/29/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 3375590086
  • Enrollment ID: I20050405000885

Medical Identifiers

Medical identifiers for Michael Jonathan Older such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194757625NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 71640 (Massachusetts)Primary

Hospital Affiliation

Hospital NameLocationType
Nashoba Valley Medical CenterAyer, MAAcute Care Hospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Michael Jonathan Older allows following entities to bill medicare on his behalf.
Entity NameMichael J Older Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528495835
PECOS PAC ID: 4789813957
Enrollment ID: O20140211000003

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Michael Jonathan Older is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Michael Jonathan Older, MD
190 Groton Rd, Suite 190,
Ayer, MA 01432-1124

Ph: (978) 772-3547
Michael Jonathan Older, MD
190 Groton Rd, Suite 190,
Ayer, MA 01432-1124

Ph: (978) 772-3547

Reviews and Comments

Internal Medicine Doctors in Ayer, MA

Sanjay Basu, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 200 Groton Rd, Ayer, MA 01432
Phone: 978-784-9000    
Dr. Adam W Cerel, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 198 Groton Rd, Ste 4, Central Ma Cardiovascular Physicians, Inc, Ayer, MA 01432
Phone: 978-772-5755    Fax: 978-772-5766
Dr. Sandra Lynn Howard, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 42 Patton Rd, Ayer, MA 01434
Phone: 978-796-1411    Fax: 978-796-1097
Susan H Lucas, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 200 Groton Rd, Ayer, MA 01432
Phone: 978-784-9000    Fax: 978-784-9599
Dr. Asha A Naidu, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 190 Groton Rd, Suite 290, Ayer, MA 01432
Phone: 978-772-1277    Fax: 978-772-1577
Jennifer P Stone, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 200 Groton Rd, Ayer, MA 01432
Phone: 978-784-9357    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.